ASN Wikibase Occurrence # 234595
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Date: | Sunday 7 July 2019 |
Time: | 16:45 UTC |
Type: | Gulfstream G650 |
Owner/operator: | |
Registration: | EI-JSK |
MSN: | 6070 |
Fatalities: | Fatalities: 0 / Occupants: |
Aircraft damage: | None |
Category: | Serious incident |
Location: | near Waterford -
Ireland
|
Phase: | En route |
Nature: | Unknown |
Departure airport: | Shannon Airport (SNN/EINN) |
Destination airport: | Farnborough Airport (FAB/EGLF) |
Investigating agency: | AAIU |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:A Gulfstream GVI airplane, EI-JSK, had an uncommanded engine shutdown in flight near Waterford, Ireland. The flight departed from and returned to Shannon Airport. The flight was destined for Farnborough Airport.
Probable Cause
The left-hand engine EEC was unable to control its VSV system resulting in an EEC-initiated IFSD of the left-hand engine.
Contributory Cause(s)
1. Corrosion of the bores in the VSV system compressed the VSV bushings leading to excessive friction at the vane actuating spindles. This resulted in a difference between the demanded and actual position achieved by the system, causing a VSV
track check fault.
2. Extant software in the EEC directed the engine to shut down when a VSV system track check fault was identified
Accident investigation:
|
| |
Investigating agency: | AAIU |
Report number: | |
Status: | Investigation completed |
Duration: | |
Download report: | Final report |
|
Sources:
NTSB
Revision history:
Date/time | Contributor | Updates |
31-Mar-2020 15:02 |
harro |
Added |
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